diff --git a/api/v1alpha1/nnf_datamovement_types.go b/api/v1alpha1/nnf_datamovement_types.go
index e5fc744e6..6433a1523 100644
--- a/api/v1alpha1/nnf_datamovement_types.go
+++ b/api/v1alpha1/nnf_datamovement_types.go
@@ -100,6 +100,14 @@ type NnfDataMovementConfig struct {
 	// Note: Enabling this option may degrade performance.
 	// +kubebuilder:default:=false
 	StoreStdout bool `json:"storeStdout,omitempty"`
+
+	// The number of slots specified in the MPI hostfile. A value of 0 disables the use of slots in
+	// the hostfile. -1 will defer to the value specific in the nnf-dm-config ConfigMap.
+	Slots *int `json:"slots,omitempty"`
+
+	// The number of max_slots specified in the MPI hostfile. A value of 0 disables the use of slots
+	// in the hostfile. -1 will defer to the value specific in the nnf-dm-config ConfigMap.
+	MaxSlots *int `json:"maxSlots,omitempty"`
 }
 
 // DataMovementCommandStatus defines the observed status of the underlying data movement
diff --git a/api/v1alpha1/zz_generated.deepcopy.go b/api/v1alpha1/zz_generated.deepcopy.go
index 361596a16..fc3e61d12 100644
--- a/api/v1alpha1/zz_generated.deepcopy.go
+++ b/api/v1alpha1/zz_generated.deepcopy.go
@@ -347,6 +347,16 @@ func (in *NnfDataMovementCommandStatus) DeepCopy() *NnfDataMovementCommandStatus
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *NnfDataMovementConfig) DeepCopyInto(out *NnfDataMovementConfig) {
 	*out = *in
+	if in.Slots != nil {
+		in, out := &in.Slots, &out.Slots
+		*out = new(int)
+		**out = **in
+	}
+	if in.MaxSlots != nil {
+		in, out := &in.MaxSlots, &out.MaxSlots
+		*out = new(int)
+		**out = **in
+	}
 }
 
 // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new NnfDataMovementConfig.
@@ -407,7 +417,7 @@ func (in *NnfDataMovementSpec) DeepCopyInto(out *NnfDataMovementSpec) {
 	if in.UserConfig != nil {
 		in, out := &in.UserConfig, &out.UserConfig
 		*out = new(NnfDataMovementConfig)
-		**out = **in
+		(*in).DeepCopyInto(*out)
 	}
 }
 
diff --git a/config/crd/bases/nnf.cray.hpe.com_nnfdatamovements.yaml b/config/crd/bases/nnf.cray.hpe.com_nnfdatamovements.yaml
index 96661f84b..9b6850470 100644
--- a/config/crd/bases/nnf.cray.hpe.com_nnfdatamovements.yaml
+++ b/config/crd/bases/nnf.cray.hpe.com_nnfdatamovements.yaml
@@ -178,6 +178,16 @@ spec:
                       the output is always logged. Note: Enabling this option may
                       degrade performance.'
                     type: boolean
+                  maxSlots:
+                    description: The number of max_slots specified in the MPI hostfile.
+                      A value of 0 disables the use of slots in the hostfile. -1 will
+                      defer to the value specific in the nnf-dm-config ConfigMap.
+                    type: integer
+                  slots:
+                    description: The number of slots specified in the MPI hostfile.
+                      A value of 0 disables the use of slots in the hostfile. -1 will
+                      defer to the value specific in the nnf-dm-config ConfigMap.
+                    type: integer
                   storeStdout:
                     default: false
                     description: 'Similar to LogStdout, store the command''s stdout